1977On May 24, Marc Simard on behalf of a company to be incorporated was given approval in principle to operate a new television station at Riviere-du-Loup. The CRTC had some concerns with the technical part of the application (the use of channel 9 at Riviere-du-Loup and channel 5 at Edmunston). These matters had to be attended to before a licence would be issued. Simard was owner of CKRT-TV, the Radio-Canada affiliate in the market.

1978On April 10, the go ahead was given for Simard to operate a new TV station at Riviere-du-Loup, with a rebroadcast transmitter at Edmunston, New Brunswick. Effective radiated power at the main transmitter (Channel 9) would now be 14,100 watts (video) rather than 49,000 watts. The Edmunston transmitter would now broadcast on channel 4 rather than channel 5, and effective radiated power would be decreased from 2,000 to 1,200 watts (video).

CIMT-TV channel 9, a TVA affiliate, was launched by on September 17.

1979CIMT received approval for a rebroadcast transmitter at Trois-Pistoles, operating on channel 8 with a power of ten watts.

CIMT-TV-2 Trois-Pistoles was authorized to change from channel 8 to channel 13.

1982On April 15, Tele Inter-Rives Ltee was authorized to increase the effective radiated video power for CIMT-TV from 14,100 watts to 24,900 watts. Approval was also given for the addition of a transmitter at Baie St-Paul (10 watts on channel 13).

1986By this time, the corporate name was Télé-Inter Rives Ltée and CIMT operated the following repeaters: CIMT-TV-2 Trois-Pistoles, CIMT-TV-4 Baie-Saint-Paul and CIMT-TV-1 Edmunston.

CIMT joined Télé-Capitale’s Réseau Pathonic (network). This was in addition to being a TVA affiliate.

1988Permission was given for CIMT to add a transmitter at Saint-Urbain.

CFTF-TV, a TQS affiliate was launched.

1992On August 13, Télé-Métropole Inc. was given approval to acquire 75% of Le Réseau de télévision TVA Inc. from Radio Nord Inc., Télé-Inter Rives Ltée and Télévision de la Baie des Chaleurs Inc. (25% each). This purchase gave Télé-Métropole 100% of the network.

1995On February 15, the CRTC approved the application to amend the licence for CIMT-TV by adding the following condition of licence: In addition to the 12 minutes of advertising material permitted by subsection 11(1) of the Television Broadcasting Regulations, 1987, the licensee may broadcast more than 12 minutes of advertising material in any clock hour in a broadcast day, in order to broadcast infomercials as defined in Public Notice CRTC 1994-139 and in accordance with the criteria contained in that public notice, as amended.

1997CIMT was given CRTC approval to increase effective radiated power from 24,900 to 172,200 watts.

1999Approval was given for the addition of a low-power transmitter at Cabano.

CIMT was authorized to add a low-power transmitter at Rivière-du-Loup, to compensate for the weak signal of the main station at several locations in the lower part of town.

2001Télé Inter-Rives ltée was authorized to add a re-broadcast transmitter for CIMT-TV at Les Escoumins.

2009On August 27 the CRTC renewed until August 31, 2016, the licence of CIMT-TV and its transmitters (Quebec: CIMT-TV-2 Trois-Pistoles, CIMT-TV-4 Baie-Saint-Paul, CIMT-TV-5 Saint-Urbain, CIMT-TV-6 Rivière-du-Loup, CIMT-TV-7 Les Escoumins and CIMT-TV-8 Cabano; New Brunswick: CIMT-TV-1 Edmundston). Conditions of licence include: The licensee shall broadcast not less than two hours and 24 minutes of local programming in each broadcast week.

2010On February 19, the CRTC approved in part an application by Télé Inter-Rives ltée for a broadcasting licence to operate a transitional digital television undertaking associated with CIMT-TV. The applicant proposed to simulcast the programming aired on CIMT-TV on the new digital station. In Revised licensing framework for over-the-air digital television services, Broadcasting Regulatory Policy CRTC 2010-69, 10 February 2010, the Commission announced that it would no longer issue separate licences for DTV undertakings. Instead, the operation of DTV transmitters would be authorized by way of an amendment to the licences of existing services, authorizing the simulcast, on a digital transmitter, of the programming broadcast by the associated station. The new transmitter will operate on channel 41B with an effective radiated power of 132 watts (effective height of the antenna above average terrain of 54.8 metres).